org.apache.nutch.indexer
Class FsDirectory

java.lang.Object
  org.apache.lucene.store.Directory
      org.apache.nutch.indexer.FsDirectory

All Implemented Interfaces:

Closeable

public class FsDirectory
extends Directory

Reads a Lucene index stored in DFS.

Field Summary

Fields inherited from class org.apache.lucene.store.Directory

isOpen, lockFactory

Constructor Summary

FsDirectory(FileSystem fs, Path directory, boolean create, Configuration conf)

Method Summary

void	close()
IndexOutput	createOutput(String name)
void	deleteFile(String name)
boolean	fileExists(String name)
long	fileLength(String name)
long	fileModified(String name)
String[]	listAll()
Lock	makeLock(String name)
IndexInput	openInput(String name)
void	renameFile(String from, String to)
String	toString()
void	touchFile(String name)

Methods inherited from class org.apache.lucene.store.Directory

clearLock, copy, ensureOpen, getLockFactory, getLockID, openInput, setLockFactory, sync

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

FsDirectory

public FsDirectory(FileSystem fs,
                   Path directory,
                   boolean create,
                   Configuration conf)
            throws IOException

Throws:

IOException

Method Detail

listAll

public String[] listAll()
                 throws IOException

Specified by:

listAll in class Directory

Throws:

IOException

fileExists

public boolean fileExists(String name)
                   throws IOException

Specified by:

fileExists in class Directory

Throws:

IOException

fileModified

public long fileModified(String name)

Specified by:

fileModified in class Directory

touchFile

public void touchFile(String name)

Specified by:

touchFile in class Directory

fileLength

public long fileLength(String name)
                throws IOException

Specified by:

fileLength in class Directory

Throws:

IOException

deleteFile

public void deleteFile(String name)
                throws IOException

Specified by:

deleteFile in class Directory

Throws:

IOException

renameFile

public void renameFile(String from,
                       String to)
                throws IOException

Throws:

IOException

createOutput

public IndexOutput createOutput(String name)
                         throws IOException

Specified by:

createOutput in class Directory

Throws:

IOException

openInput

public IndexInput openInput(String name)
                     throws IOException

Specified by:

openInput in class Directory

Throws:

IOException

makeLock

public Lock makeLock(String name)

Overrides:

makeLock in class Directory

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in class Directory

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object